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/**
 * \file
 *
 * Implementation of template methods of DatabaseConnection
 * Only to be included by database_connection.h
 *
 * \author Connor Brew
 */

namespace warehouse_ros
{
template <class M>
MessageCollection<M> DatabaseConnection::openCollection(const std::string& db_name, const std::string& collection_name)
{
  if (!isConnected())
    throw DbConnectException("Cannot open collection.");
  return MessageCollection<M>(openCollectionHelper(db_name, collection_name));
}

template <class M>
typename MessageCollection<M>::Ptr DatabaseConnection::openCollectionPtr(const std::string& db_name,
                                                                         const std::string& collection_name)
{
  if (!isConnected())
    throw DbConnectException("Cannot open collection.");
  return typename MessageCollection<M>::Ptr(new MessageCollection<M>(openCollectionHelper(db_name, collection_name)));
}

}  // namespace warehouse_ros
